1. Department of Pediatrics, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology from Târgu Mureș, Târgu Mureș, Romania
2. Markhot Ferenc Teaching Hospital, Hungary
3. Department of Medical Scientific Research Methodology, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, Târgu Mureș, Romania
4. Department of Pediatrics, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology from Târgu Mureș, Târgu Mureș, Romania.